Calculate the Internal Rate of Return $($IRR$)$Since the NPV is already calculated as $$6,720,500\mathrm{.}30$: Please solve using equation

$,$

$-2,000,000+\frac{3,500,000}{(1+\text{I}\text{R}\text{R}{)}^1}+\frac{3,500,000}{(1+\text{I}\text{R}\text{R}{)}^2}+\frac{3,500,000}{(1+\text{I}\text{R}\text{R}{)}^3}=0$